I don't feel strongly about this change, but I guess it is slightly less...

I don't feel strongly about this change, but I guess it is slightly less "surprising" to have "\u0061\u030a" != "\u00e5"

Dapper/SqlMapper.cs

@@ -519,7 +519,7 @@ class DontMap { }
                         for (pos = current + 1; pos < reader.FieldCount; pos++)
                         {
                             // some people like ID some id ... assuming case insensitive splits for now
-                            if (splitOn == "*" || string.Equals(reader.GetName(pos), currentSplit, StringComparison.InvariantCultureIgnoreCase))
+                            if (splitOn == "*" || string.Equals(reader.GetName(pos), currentSplit, StringComparison.OrdinalIgnoreCase))
                             {
                                 break;
                             }
@@ -1106,10 +1106,10 @@ static readonly MethodInfo
 
             var setters = (
                             from n in names
-                            let prop = properties.FirstOrDefault(p => string.Equals(p.Name, n, StringComparison.InvariantCulture)) // property case sensitive first
-                                  ?? properties.FirstOrDefault(p => string.Equals(p.Name, n, StringComparison.InvariantCultureIgnoreCase)) // property case insensitive second
-                            let field = prop != null ? null : (fields.FirstOrDefault(p => string.Equals(p.Name, n, StringComparison.InvariantCulture)) // field case sensitive third
-                                ?? fields.FirstOrDefault(p => string.Equals(p.Name, n, StringComparison.InvariantCultureIgnoreCase))) // field case insensitive fourth
+                            let prop = properties.FirstOrDefault(p => string.Equals(p.Name, n, StringComparison.Ordinal)) // property case sensitive first
+                                  ?? properties.FirstOrDefault(p => string.Equals(p.Name, n, StringComparison.OrdinalIgnoreCase)) // property case insensitive second
+                            let field = prop != null ? null : (fields.FirstOrDefault(p => string.Equals(p.Name, n, StringComparison.OrdinalIgnoreCase)) // field case sensitive third
+                                ?? fields.FirstOrDefault(p => string.Equals(p.Name, n, StringComparison.OrdinalIgnoreCase))) // field case insensitive fourth
                             select new { Name = n, Property = prop, Field = field }
                           ).ToList();